20448828

素因数分解:

$2^2\times 3^3\times {\mathrm{29}}^1\times {\mathrm{6529}}^1$

素因数の和:6571

約数の個数: 48

約数和(自身を含む): 54852000

約数和(自身を除く): 34403172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 54, 58, 87, 108, 116, 174, 261, 348, 522, 783, 1044, 1566, 3132, 6529, 13058, 19587, 26116, 39174, 58761, 78348, 117522, 176283, 189341, 235044, 352566, 378682, 568023, 705132, 757364, 1136046, 1704069, 2272092, 3408138, 5112207, 6816276, 10224414, 20448828]

約数ペア:

[(1, 20448828), (2, 10224414), (3, 6816276), (4, 5112207), (6, 3408138), (9, 2272092), (12, 1704069), (18, 1136046), (27, 757364), (29, 705132), (36, 568023), (54, 378682), (58, 352566), (87, 235044), (108, 189341), (116, 176283), (174, 117522), (261, 78348), (348, 58761), (522, 39174), (783, 26116), (1044, 19587), (1566, 13058), (3132, 6529)]